Thanks for the tip on the cleaning.
I ended up using Defensive Edge for the build. The rifle was a used sf 1 sendero to base on. Shawn then has put a 30" 5.6 d /tapered sendero profile Hart heavy fluted barrel stainless barrel on it. Wyatt centre feed 4 " ext mag box, fully bedded, rem 700 blue printed and accurized. DE muzzle break, DE adjustable stock cheekpiece, fluted bolt, badger tactical bolt handle, harris s series bipod with pod lock, 40 moa NF rail, LW NF rings and 5-22 x56 NF NXS Npr1. Used with NF PDA support and Kestrel. It has been cut to seat the 265 RBBT wildcat at 4" OAL and 300 smk at 3.8 OAL. Shawn is testing this week. Rifle is teflon mat black metal with OD green stock work.
I'll send you a couple of pics.
How did you get on with your 338 improved ?
With each step in the bush, you are a step closer.